Masamichi Sakagami

Affiliation	Tamagawa University Brain Science Institute, Graduate School of Brain Sciences
Position Title	Professor
Role	Program leader, neural mechanisms of cognition and decision making
Field of Specialization	専門分野(英)

Articles

Reward prediction error signal enhanced by striatum-amygdala interaction explains the acceleration of probabilistic reward learning by emotion., Watanabe N, Sakagami M, Haruno M., J Neurosci, 2013/03
Performance Dip in Motor Response Induced by Task-Irrelevant Weaker Coherent Visual Motion Signals., Watanabe, T., and Sasaki, Y.Yotsumoto, Y., Seitz, AR., Shimojo, S., Sakagami, M. , Cereb Cortex2012, 2012/08, 22(8), 1887 - 93
Category representation and generalization in the prefrontal Cortex, Pan, X., and Sakagami, M., European Journal of Neuroscience, 2012/04, 35(7), 1 - 9
Long-term Visual Recognition of Familiar Persons, Places, and Peers by Young Monkeys (Macaca fuscata) , Murai, C., Tanaka, M., Tomonaga, M., and Sakagami, M., Developmental Psychobiology, , 2011, 53, 732 - 737
Physical Intuitions about Support Relations in Monkeys (Macaca fuscata) and Apes (Pan troglodytes), Murai, C., Tanaka, M., & Sakagami, M., Journal of Comparative Psychology, 2011, 125, 216 - 226
Stimulus-dependent adjustment of reward prediction error in the midbrain, Takemura, H., Samejima, K., Vogels, R., Sakagami, M., and Okuda, J. , PLoS ONE, 2011, 6(12)
Multiple Neural Circuits in Value-based Decision-making. , Yamamoto M, Pan X, Nomoto K, Sakagami M, Attention and Performance XXII, 2011
Operant Conditioning of Primate Prefrontal Neurons, Kobayashi S, Schultz W, Sakagami M, Journal of Neurophysiology, 2010, 103, 1843 - 1855
Temporally extended dopamine responses to perceptually demanding reward-predictive stimuli., Nomoto Kensaku, Schultz Wolfram, Watanabe Takeo, Sakagami Masamichi, The Journal of neuroscience : the official journal of the Society for Neuroscience, 2010, 30(32), 10692 - 702
Human posterior parietal cortex maintains color, shape and motion in visual short-term memory, Kawasaki M, Watanabe M, Okuda J, Sakagami M, Aihara K, Brain Res, 2008, 1213, 91 - 97
Reward prediction based on stimulus categorization in primate lateral prefrontal cortex, Pan X, Sawa K, Tsuda I, Tsukada M, Sakagami M, Nat Neurosci, 2008, 11, 703 - 712
Functional role of the ventrolateral prefrontal cortex in decision making, Sakagami M, Pan X, Curr Opin Neurobiol, 2007, 17, 228 - 233
Integration of cognitive and motivational context information in the primate prefrontal cortex, Watanabe M, Sakagami M, Cereb Cortex, 2007, 17 Suppl 1, 101 - 109
Integration of cognitive and motivational information in the primate lateral prefrontal cortex, Sakagami M, Watanabe M, Ann N Y Acad Sci, 2007, 1104, 89 - 107
Reward expectancy-related prefrontal neuronal activities: are they neural substrates of "affective" working memory, Watanabe M, Hikosaka K, Sakagami M, Shirakawa S, Cortex, 2007, 43, 53 - 64
Functional differences between macaque prefrontal cortex and caudate nucleus during eye movements with and without reward, Kobayashi S, Kawagoe R, Takikawa Y, Koizumi M, Sakagami M, Hikosaka O, Exp. Brain Res, 2007, 176, 341 - 355
Influences of rewarding and aversive outcomes on activity in macaque lateral prefrontal cortex, Kobayashi S, Nomoto K, Watanabe M, Hikosaka O, Schultz W, Sakagami M, Neuron, 2006, 51, 861 - 870
Behavioral inhibition and prefrontal cortex in decision-making, Sakagami M, Pan X, Uttl B, Neural Netw, 2006, 19, 1255 - 1265
Increasing distracter strength improves accuracy, Sheremata S, Sakagami M, Percept Mot Skills, 2006, 102, 509 - 516

Books

Reward and Decision Making in Corticobasal ganglia Networks, Balleine BW, Doya K, O'Doherty JP, Sakagami M (Eds.) , Annals of the New York Academy of Science, 2007

International Conferences

Masamichi Sakagami 　, Reward inference by prefontal and striatal neurons in primate, Grimshaw Seminar at Victoria University, Wellington, New Zealand, 2013/03/19
Masamichi Sakagami　 , Guest lecture, The effect of cost on the reward prediction error signal in the midbrain dopamine neuron　 , Reward and Decision-making on Risk and Aversion, Waikoloa Bearch Marriott Resort and Spa, Hawaii, USA, 2013/03/06-2013/03/08
Fan H, Tanaka S, Pan X, Sakagami M., Poster presentation, Neurons in LPFC and striatum can predict reward based on different types of inference, Joint Tamagawa-Caltech Lecture course on Reward and Decision-making, Hawaii, 2013/03/05-2013/03/06
Yokoyama O, Sakagami M,, Poster presentation, Neural activity in macaque prefrontal cortex during free choice based on reward preferene, Joint Tamagawa-Caltech Lecture course on Reward and Decision-making, Hawaii, 2013/03/05-2013/03/06
Masamichi Sakagami 　, Guest lecture, Reward inference by prefontal and striatal neurons in primate　人間と動物の「意思決定・論理・認知」を探る－神経科学から哲学まで－　, 国際・学際シンポジウム Decision Making, Logic and Cognition　, 2013/02/26-2013/02/27
Masamichi Sakagami , Guest lecture, Reward inference by primate prefrontal and striatal neurons, 3rd International Symposium on Prefrontal Cortex., Inamori Center, Kyoto University, 2012/11/29
Fan H, Pan X, Sakagami M. , Poster presentation, Striatal neurons infer stimulus outcomes, Society for Neuroscience 2012, New Orleans, 2012/10
K Takaura, N Tsuchiya, M Sakagami and N Fujii, Poster presentation, Towards the system-level understanding of conscious visual perception: A study with electrocorticogram recording in monkeys under continuous flash suppression, Society for Neuroscience 2012, New Orleans, 2012/10
Masamichi Sakagami 　, Guest lecture, Reward Inference by Primate Prefrontal and Striatal Neurons, Neuroeconomics 2012 Annual Conference : Decision Making and the Brain, Ritz-Carlton Key Biscayne in Miami, Florida, USA　2012.9.28-30, 2012/09/28-2012/09/30
Masamichi Sakagami , Guest lecture, Reward inference by primate prefrontal and striatal neurons, Tamagawa-RIKEN Dynamic Brain Forum, Spain 2012.9.3-6 , 2012/09/03-2012/09/06
Masamichi Sakagami, Guest lecture, Multiple neural circuits in value-based decision-making, International Workshop on Gaze Bias Learning Ⅱ-Linking neuroscience, computational modeling, and cognitive development, Tamagawa University R&A Building Room.507 Tokyo, 2012/03/12
Pan X, Fan H, Sakagami M. , Poster presentation, Reward inference by primate prefrontal and striatal neurons, Society for Neuroscience 2011, Washington D.C. , 2011/11
Sakagami M, Guest lecture, Multiple neural circuits in social decision-making , Intergration of cognitive and motivational context information in the primate perfrontal cortex, Emory University, USA, 2011/10/22-2011/10/25
Sakagami M, Guest lecture, Multiple neural circuits in value-based decision-making, The 3rd International Conference on Cognitive Neurodynamics, Niseko, 2011/06/09-2011/06/12
Osamu Yokoyama, Naotsugu Tsuchiya, Kensaku Nomoto, Atsushi Noritake, Masamichi Sakagami, , Poster presentation, Goal representation by macaque lateral prefrontal cortex are different between internally-determined and instructed choice. , Joint Tamagawa University-Caltech Lecture Course (Social Neuroscience Satellite at the 15th annual meeting of the Association for the Scientific Study of Consciousness). , Kyoto University, 2011/06/07-2011/06/08
Fan H. Pan X. Sakagami M. , Poster presentation, Neurons activities of Japanese macaque’s lateral prefrontal cortex and the striatum in reward inference task., Joint Tamagawa University-Caltech Lecture Course (Social Neuroscience Satellite at the 15th annual meeting of the Association for the Scientific Study of Consciousness). , Kyoto University, 2011/06/07-2011/06/08
Watanabe, N., and Haruno, M. , Poster presentation, Enhanced reward prediction error explains the accelerated cue-reward associationlearning by emotional facial expressions. , Computational and Systems Neuroscience 2011, Salt Lake City, USA, 2011/02
Watanabe, N., Haruno, M., and Sakagami, M., Poster presentation, Emotional facial expression at the cue timing accelerates reinforcement learning. , Society for Neuroscience 2010, San Diego, USA, 2010/11
Sakagami, M., Guest lecture, Multiple neural circuits in value-based decision-making, Boston University, USA, 2010/10/12-2010/10/15
Pan X, Fan H, Sakagami M. , Poster presentation, Interactive function between lateral prefrontal cortex and striatum., Joint Tamagawa-Keio-Caltech lecture course on Neuroeconomics. , Keio University, Tokyo, 2010/09/08-2010/09/10
Watanabe, N., Haruno, M., and Sakagami, M., Poster presentation, Fearful faces enhance cue-reward association learning., Joint Tamagawa-Keio-Caltech Lecture Course on Neuroeconomics. , Keio University, Tokyo, 2010/09/08-2010/09/10
Sakagami, M. , Guest lecture, Multiple brain circuis for reward prediction, Dublin University Trinity College, Ireland, 2010.7.19-25, 2010/07/19-2010/07/25
Sakagami, M., Guest lecture, Reward inference by primate prefrontal neurons, 第15回国際比較心理学会, 兵庫, 2010/05/18-2010/05/22
Sakagmi M, Guest lecture, Reward inference by prefrontal and basal ganglia neurons, 前頭前野と大脳基底核ニューロンによる報酬の推測, Francis Crick Symposium on Neuroscience, Cold Spring Harbor Conferences Asia, China, 2010/04/15-2010/04/18
Yamamoto M, Matsuda T, Okuda J, Sakagami M, Poster presentation, Brain activity for monetary gain and loss prediction based on salient and ambiguous perception, Joint Tamagawa & Caltech Lecture course on DECISION MAKING. , Tamagawa University, Tokyo, 2010/03/03-2010/03/05
Watanabe N, Haruno M, Sakagami M, Poster presentation, Emotional facial expressions accelerate reinforcement learning, Joint Tamagawa & Caltech Lecture course on DECISION MAKING. , Tamagawa University, Tokyo, 2010.3.3-5., 2010/03/03-2010/03/05
Murai C, Tomonaga M, Sakagami M, Poster presentation, Do monkeys recognize when others care about them? , Joint Tamagawa & Caltech Lecture course on DECISION MAKING. , Tamagawa University, Tokyo, 2010/03/03-2010/03/05
Yokoyama O, Noritake A, Nomoto K, Sakagami M, Poster presentation, Dynamic changes in reward preference represented by monkey lateral prefrontal neurons during a free choice task, Joint Tamagawa & Caltech Lecture course on DECISION MAKING. , Tamagawa University, Tokyo, 2010/03/03-2010/03/05
Matsumoto M, Matsumoto K, Hayamizu N, Sakagami M, Poster presentation, Two separate decision systems affected by the value of subliminal and supraliminal stimulus in human brain, Joint Tamagawa & Caltech Lecture course on DECISION MAKING. , Tamagawa University, Tokyo, 2010/03/03-2010/03/05
Pan X, Sakagami M, Poster presentation, Model-based and model-free learning by striatal neurons, Joint Tamagawa & Caltech Lecture course on DECISION MAKING. , Tamagawa University, Tokyo, 2010/03/03-2010/03/05
Sakagami M, Guest lecture, Signal Interaction between Prefrontal Cortex and Striatum in Reward Prediction, Batsheva Seminar on Reward and Decision Making in the Brain. , Hebrew University, Jerusalem, 2010.2.16-19., 2010/02/16-2010/02/19
Sakagami M, Guest lecture, Reward inference by monkey prefrontal neurons, JSPS-DFG Round Table on Cooperative Technology in future: Cognitive Technical Systems, JSPS, Tokyo, 2010.2.8-10, 2010/02/08-2010/02/10
Pan X, Sakagami M, Poster presentation, Category inference and prefrontal cortex, The 2nd International Conference on Cognitive Neurodynamics-2009 (Tamagawa-RIKEN Dynamic Brain Forum), China, 2009/11/16-2009/11/19
Sakagami M, Pan X, Guest lecture, Reward Inference by Prefrontal and Striatal Neurons, Tougounou International Symposium, New Perspectives on Neural Mechanisms of Cognition and Action, Tamagawa University, Tokyo, 2009/11/13
Pan X, Sakagami M, Poster presentation, Model-based and model-free learning by striatal neurons, Joint Tamagawa University-Hokkaido University Global COE Symposium. , Tamagawa University. Tokyo, 2009/10/24
Yokoyama O, Noritake A, Nomoto K, Sakagami M, Poster presentation, Dynamic changes in reward preference represented by monkey lateral prefrontal neurons during a free choice task, Joint Tamagawa University-Hokkaido University Global COE Symposium. , Tamagawa University. Tokyo, 2009/10/24
Yamamoto M, Mastuda T, and Sakagami M, Poster presentation, Brain activity for monetary gain and loss prediction on salient and ambiguous perception as revealed by random dot motion stimuli and fMRI, Joint Tamagawa University-Hokkaido University Global COE Symposium. , Tamagawa University. Tokyo, 2009/10/24
Nomoto K, Schultz W, Watanabe T, Sakagami M, Poster presentation, Prolonged dopamine responses to perceptually demanding reward-indicative stimuli, Joint Tamagawa University - Hokkaido University Global COE Symposium. , Tamagawa University. Tokyo, 2009.10.24, 2009/10/24
Sakagami M, Guest lecture, Neural Basis for Decision-making, Joint Tamagawa University-Hokkaido University Global COE Symposium, Tamagawa University, 2009/10/24
Matsumoto M, Hayamizu N, Sakagami M, Poster presentation, Two separate decision systems affected by the value of subliminal and supraliminal stimulus in human brain, Society for Neuroscience 2009., Chicago. 2009.10.16-21., 2009/10/16-2009/10/21
Yamamoto M, Hayamizu N, Matsuda T, Okuda J, Sakagami M, Poster presentation, Brain activity monetary gain and loss prediction based on . salient and uncertain perception, Society for Neuroscience 2009, Chicago, USA, 2009.10.16-21., 2009/10/16-2009/10/21
Sakagami M, Guest lecture, Multiple brain circuits for decision-making, Perspective of Decision Neuroscience: beyond the Biological Approach of Brain Science., IUPS 36th World Congress, 京都・国立京都国際会館, 2009/07/30
Pan X, Sakagami M, Guest lecture, Prefrontal neurons show reward predictive activity to groups of associated stimuli. , 11th Tamagawa Dynamic Brain Forum, Shizuoka, 2009/03/03
Yamamoto M, Matsumoto M, Matsuda T, Sakagami M, Poster presentation, Brain activity for monetary loss prediction based on ambiguous perception, Joint Tamagawa University-Caltech Lecture-course on EMOTION, California, U.S.A., 2009/02/18
Sakagami, M., Guest lecture, “Category inference and prefrontal cortex” , the 2nd International Conference on Cognitive Neurodynamics -2009 , (ICCN'09), 2009
Pan X, Sakagami M, Poster presentation, Visual responsiveness of primate prefrontal neurons can be modulated by the biofeedback technique, Society for Neuroscience 2008, Washington DC. U.S.A., 2008/11/01
Sakagami M , Guest lecture, Influences of stimulus discriminability and choice bias on dopamine activity, International Workshop on Open Problems in the Neuroscience of Decision Making , 沖縄科学技術研究基盤整備機構（OIST）Okinawa, Japan, 2008/10/16-2008/10/18
Sakagami M, Guest lecture, Multiple neural circuits for reward prediction, 高麗大学学際的国際シンポジウム "Brain and Society", Seoul, Korea, 2008.7.29- 8.1. , 2008/07/29-2008/08/01
Sakagami M, Guest lecture, Corticostriatal Systems & Affective Learning, International Symposium on Attention and Performance XXII , Varmont, U.S.A, 2008/07/14-2008/07/17
Sakagami M, Guest lecture, Reward Interface by Monkey and Caudate Neurons, 国際ワークショップ: 京都大学こころの未来研究センター第6回こころの未来フォーラムサテライトワークショップ, "Gambling, Reward, Decision Making, and The Prefrontal Cortex", Kyoto, Japan, 2008/04/01
Sakagami M, Dual Brain Processes for Reward Anticipation, International Symposium on Attention and Performance XXII, USA, Varmont, 2008
Noritake A, Watanabe M, Sakagami M, Visual responsiveness of primate prefrontal neurons can be modulated　by the biofeedback technique, Society For Neuroscience 2008, Washinton D.C. USA, 2008
Pan X, Sakagami M, Influences of stimulus discriminability and choice bias on dopamine activity, Workshop on Open Problems in the Neuroscience of Decision Making　in Okinawa., Okinawa, Japan, 2008
Pan X, Sakagami M, Reward prediction by prefrontal and striatal neurons, Dynamic Brain Forum, 2008
Sakagami M, Dopamine responses to complex reward-predicting stimuli, Neuro-Finance Symposium, University of Zurich, 2007
Noritake, A. Koizumi M.,& Sakagami M, Prefrontal activities under a go/no-go conditional descrimination task, 10th Tamagawa-Riken Dynamic Brain Forum, 2007
Sakagami M, Reward predictive activity of dopamine neurons during random dot motion discrimination, Caltech-Tamagawa Symposium and more neurobiology of reward annual meeting.California Institute of Technology, USA, Symposium on the Neurobiology of Decision Making, California Institute of Technology, USA, 2007
Sakagami M, Reward-expectancy and thought in primate brain, Neural Bases of Reward and Decision Making Symposium, Instituto Gulbenkian de Ciência,Oeiras,Prtogal, 2007
Yamamoto M, Okuda J, Samejima K, Sakagami M, Differential reward prediction on salient and uncertain perception as　revealed by random dot motion stimuli and fMRI, Society for Neuroscience, 2007
Noritake A, Sakagami M, Prefrontal go/no-go activities in a divided attention task divided attention, Society for Neuroscience, 2007
Sakagami M, Pan X, Nomoto K, Yamamoto M, Okuda J, Multiple brain circuits for reward prediction, Tamagawa-Caltech Joint Workshop“Neural Mechanisms of Social Mind”, 2007
Yamamoto M, Okuda J, Samejima K, Shultz W, Sakagami M, Brain mechanism for reward prediction on perceptually ambiguous random dot motion stimulus, 10th Tamagawa-Riken Dynamic Brain Forum, 2007
Watanabe M, Kawasaki M, Sato T, Okuda J, Sakagami M, Neural substrate of initial selection and verification of strategies in an arithmetic search task: an fMRI study, 10th Tamagawa-Riken Dynamic Brain Forum, 2007
Nomoto K, Schultz W, Sakagami M, Reward predictive activity of dopamine neurons in random dot motion discrimination task, 10th Tamagawa-Riken Dynamic Brain Forum, 2007
Pan X, Sawa K, Sakagami M, Predicting reward by primate prefrontal neurons in unexperienced setting, 10th Tamagawa-Riken Dynamic Brain Forum, 2007
Takemura H, Okuda J, Sakagami M, Perceptual ambiguity by luminance contrast and reward predictive activity in the brain, 10th Tamagawa-Riken Dynamic Brain Forum, 2007
Sakagami M, How does brain create new information unexperienced setting?, International symposium on Reward and decision making in cortico-basal ganglia networks UCLA Conference Center, Lake Arrowhead, USA, 2006
Pan X, Sawa K, Sakagami M, Reward predictive activity of prefrontal neuron based on the integration of new associations, Neuroscience2006 36th Annual meeting of the Society for Neuroscience, 2006

Domestic Conferences

高浦加奈，土谷尚嗣，坂上雅道，藤井直敬 , Poster presentation, Towards the system-level understanding of conscious visual perception: a study with electrocorticogram recording in monkeys under continuous ﬂash suppression, 第35回日本神経科学大会, 名古屋, 2012/09/08
Osamu Yokoyama, Naotsugu Tsuchiya, Kensaku Nomoto, Atsushi Noritake, Masamichi Sakagami. , Poster presentation, Differential representation of goal in monkey lateral prefrontal cortex in free- and instructed-choice（サル外側前頭前野による目標の神経表現は自由選択と強制選択で異なる）, Neuro 2011, Yokohama, 2011/09/15-2011/09/17
Fan H, Pan X, Sakagami M. , Poster presentation, Local inactivation of primate prefrontal cortex impairs reward prediction based on category inference, Neuro 2011, Yokohama, 2011/09
Osamu Yokoyama, Naotsugu Tsuchiya, Kensaku Nomoto, Atsushi Noritake, Masamichi Sakagami. , Poster presentation, Decoding of goal, independent of perception and action, from macaque prefrontal activity during a free choice task., 包括脳ネットワーク夏のワークショップ, 神戸国際会議場, 2011/08/21-2011/08/24
Sakagami M , 「脳科学の現在と未来」, 東京大学科学技術インタープリター養成部門シンポジウム『脳科学とコミュニケーション』 , 東京大学, 東京, 2011/03/06
Pan X, Fan H, Sakagami M. , Poster presentation, Comparison of spike activity and local field potential in lateral prefrontal cortex and striatum., 脳と心のメカニズム冬のワークショップ, 留寿都（北海道）, 2011/01/11-2011/01/13
Sakagami M, Guest lecture, 「動物の思考・ヒトの思考」 , 麻布大学大学院特別講義, 東京, 2010/10/22
Masahiko Haruno, Chris Frith, Masamichi Sakagami, Minoru Kimura　 , Poster presentation, Top-down signal from the frontal cortex regulates social value orientation, Neuro2010, Hyogo, 2010/09/04
Watanabe, N., Haruno, M., and Sakagami, M., Poster presentation, Emotional facial expression accelerates cue-reward association learning. 情動を喚起する表情刺激は刺激－報酬連合学習を加速する, Neuro 2010, Hyogo, 2010/09/03
Pan X, Sakagami M. , Poster presentation, Causal interaction between lateral prefrontal cortex and striatum. , Neuro 2010, Hyogo, 2010/09/03
Sakagami, M. Xiaochuan Pan, Guest lecture, Signal Interaction between Prefrontal Cortex and Striatum in Reward Prediction, Symposium「価値に基づく意思決定の神経機構－新たな展開New perspectives on value-based decision making (S3-5-1)」Neuro2010, 兵庫, 2010/09/02-2010/09/04
Watanabe, N., Haruno, M., and Sakagami, M., Poster presentation, Fearful faces at the cue timing accelerate reinforcement learning compared to neutral face., 包括脳夏のワークショップ, 札幌, 2010/07/27-2010/07/30
Sakagami M, Pan X, Guest lecture, Reward inference by prefrontal neurons, Symposium: The role of prefrontal cortex in context-dependent adjustment of executive control. , 第32回日本神経科学大会, ,名古屋, 2009/09/18
Pan X, Sakagami M, Poster presentation, Model-based and model-free learning by striatal neurons, 第32回日本神経科学大会, 名古屋, 2009/09/16-2009/09/18
松元まどか, 松元健二, 速水則之, 坂上雅道, Poster presentation, 「閾下および閾上の刺激の価値はヒト脳内において別々に行動選択する」, 第32回日本神経科学大会, 名古屋, 2009/09/16-2009/09/18
山本愛実, 松田哲也, 渡辺言也, 坂上雅道, Poster presentation, 利得損失予測の脳内情報処理に及ぼす知覚的曖昧性の影響, 特定領域研究「統合脳」夏のワークショップ, 北海道, 2009/08/12
Sakagami M, Guest lecture, Reward inference by monkey prefrontal and caudate neurons, 第6回心の未来フォーラムサテライトワークショップ　"Gambling, Reward, Decision Making, and the Prefrontal Cortex"　 , 京都大学　京都府, 2009/03/01
Sakagami M, Guest lecture, Multiple decisions in the brain, 第1回ニューロソーシャルサイエンスワークショップ　, 大阪大学　大阪府, 2009/02/27
Pan X, Sakagami M, Poster presentation, Functional roles of prefrontal cortex and striatum in reward process., 特定領域研究「統合脳」夏のワークショップ, 北海道, 2008/08/07-2008/08/10
Pan X, Sakagami M, Poster presentation, Dissociable roles of lateral prefrontal cortex and striatum for reward prediction, 第31回日本神経科学大会2008, 東京, 2008/07/10

<< Back

&uarr Page Top